Background: Although both the root and rhizome of Glycyrrhiza inflata have been used as medicinal material, sales volume price its are much higher than rhizomes. Limiting growth liquorice rhizomes while improving yield quality has become an important problem. Methods: Two irrigation patterns (surface drip subsurface irrigation, i.e. DI SDI) three levels (40%-50%, 60%-70% 80%-90% maximum soil wa...
